Night-before cheat sheet

Part VIII: Observability, Reliability, Incidents

9 chapters (92–100). 0 key facts to review.

Chapters at a glance

92 The four golden signals, RED, USE, LETS
93 Metrics: Prometheus internals
94 Logs: Loki, structured logging, sampling, retention economics
95 Distributed tracing: OpenTelemetry, Jaeger, Tempo
96 Continuous profiling: Pyroscope, Parca
97 SLI, SLO, SLA, error budgets
98 Canary patterns: traffic-shifted, statistical, ML model canaries
99 Incident management: postmortems, blameless culture
100 ORR: what production-readiness actually means

Key facts (from quizzes)

Other parts
Part I Part II Part III Part IV Part V Part VI Part VII Part VIII Part IX Part X